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Families: 137

Genera: 637

Species: 1637

Total Taxa: 1854 (including subsp. and var.)


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Raphanus sativus L. - wild radish
Rorippa palustris (L.) Besser - common yellow-cress
Rorippa sylvestris (L.) Besser - creeping yellow-cress
Sinapis arvensis L. - charlock mustard
Sisymbrium altissimum L. - tall tumble mustard
Sisymbrium loeselii L. - tall hedge-mustard
Thlaspi arvense L. - field pennycress
Turritis glabra L. - tower rock-cress
Opuntia sp. Mill. - Prickly Pear
Opuntia macrorhiza Engelm. - twist-spine prickly-pear
Campanula aparinoides Pursh - marsh bellflower
Campanula rapunculoides L. - rover bellflower
Lobelia inflata L. - Indian-tobacco
Lobelia kalmii L. - Ontario lobelia
Lobelia siphilitica L. - great blue lobelia
Lobelia spicata Lam. - spiked lobelia
Triodanis perfoliata (L.) Nieuwl. - round-leaved triodanis
Cannabis sativa L. - marijuana
Celtis occidentalis L. - northern hackberry
Diervilla lonicera Mill. - northern bush-honeysuckle
Dipsacus laciniatus L. - cut-leaved teasel
Lonicera japonica Thunb. - Japanese honeysuckle
Lonicera maackii (Rupr.) Maxim. - Maack's honeysuckle
Lonicera morrowii A.Gray - Morrow's honeysuckle
Lonicera reticulata Raf. - grape honeysuckle
Lonicera tatarica L. - Tartarian honeysuckle
Lonicera X bella Zabel - showy bush honeysuckle
Triosteum aurantiacum E.P.Bicknell - orange-fruit horse-gentian
Triosteum aurantiacum var. aurantiacum - orange-fruit horse-gentian
Valeriana officinalis L. - garden valerian
Agrostemma githago - corn cockle
Arenaria serpyllifolia - thyme-leaved sandwort
Cerastium fontanum - common mouse-ear chickweed
Cerastium nutans - nodding mouse-ear chickweed
Dianthus armeria - Deptford pink
Dianthus barbatus - sweet-William
Gypsophila scorzonerifolia Ser. - glandular baby's-breath
Paronychia canadensis (L.) A.W.Wood - smooth-forked nailwort
Silene antirrhina L. - sleepy silene
Silene csereii Baumg. - glaucous campion
Silene dichotoma - forked catchfly
Silene flos-cuculi - ragged-robin
Silene latifolia Poir. - white cockle
Silene noctiflora L. - sticky cockle
Silene regia Sims - royal catchfly
Spergula arvensis L. - corn spurry
Spergularia marina (L.) Griseb. - salt-marsh sand spurry
Stellaria crassifolia Ehrh. - thick-leaved starwort
Stellaria longifolia Muhl. ex Willd. - long-leaved stitchwort
Stellaria media (L.) Vill. - common chickweed
Celastrus orbiculatus Thunb. - Oriental bittersweet
Celastrus scandens L. - climbing bittersweet
Euonymus alatus (Thunb.) Siebold - winged spindle-tree
Euonymus europaeus L. - European spindle-tree
Parnassia glauca Raf. - fen grass-of-Parnassus
Crocanthemum canadense (L.) Britton - long-branch frostweed
Lechea tenuifolia Michx. - slender-leaved pinweed
Polanisia dodecandra (L.) DC. - rough-seed clammy-weed
Uvularia grandiflora Sm. - large-flowered bellwort
Commelina communis L. - common dayflower
Tradescantia bracteata Small - sticky spiderwort
Tradescantia ohiensis Raf. - smooth spiderwort
Calystegia sepium (L.) R.Br. - hedge false bindweed
Convolvulus arvensis L. - field bindweed
Cuscuta cephalanthi Engelm. - buttonbush dodder
Cuscuta coryli Engelm. - hazel dodder
Cuscuta polygonorum Engelm. - smartweed dodder
Ipomoea purpurea (L.) Roth - tall morning-glory
Cornus alternifolia L.f. - pagoda dogwood
Cornus canadensis L. - dwarf cornel
Cornus drummondii C.A.Mey. - northern roughleaf dogwood
Cornus rugosa Lam. - round-leaved dogwood
Cornus sericea L. - red osier dogwood
Sedum acre L. - yellow sedum
Sedum sarmentosum Bunge - stringy stonecrop
Cucumis melo L. - muskmelon
Sicyos angulatus L. - bur-cucumber
Thuja occidentalis L. - northern white-cedar
Carex sp. L. - Sedge
Carex albursina E.Sheld. - white bear sedge
Carex arctata Boott - drooping woodland sedge
Carex aurea Nutt. - golden-fruited sedge
Carex backii W.Boott - Rocky Mountain sedge
Carex bicknellii Britton - Bicknell's sedge
Carex blanda Dewey - wood sedge
Carex brevior (Dewey) Mack. - plains oval sedge
Carex buxbaumii Wahlenb. - Buxbaum's sedge
Carex canescens L. - silvery sedge
Carex communis var. communis - fibrous-root sedge
Carex comosa Boott - bristly sedge
Carex cryptolepis Mack. - small yellow sedge
Carex diandra Schrank - lesser panicled sedge
Carex disperma Dewey - two-seeded bog sedge
Carex eburnea Boott - bristle-leaf sedge
Carex gracillima Schwein. - purple-sheathed graceful sedge
Carex granularis Muhl. ex Willd. - limestone meadow sedge
Carex gravida L.H.Bailey - long-awned bracted sedge
Carex grayi J.Carey - Gray's sedge
Carex gynandra Schwein. - nodding sedge
Carex haydenii Dewey - long-scaled tussock sedge
Carex hirtifolia Mack. - pubescent sedge
Carex hitchcockiana Dewey - Hitchcock's sedge
Carex interior L.H.Bailey - inland star sedge
Carex intumescens Rudge - swollen sedge
Carex jamesii Schwein. - James' sedge
Carex lacustris Willd. - rip-gut sedge
Carex laeviconica Dewey - smooth-cone sedge
Carex leavenworthii Dewey - Leavenworth's sedge
Carex leptonervia (Fernald) Fernald - nerveless woodland sedge
Carex limosa L. - mud sedge
Carex meadii Dewey - Mead's stiff sedge
Carex molesta Mack. ex Bright - troublesome sedge
Carex normalis Mack. - spreading oval sedge
Carex oligocarpa Willd. - rich-woods sedge
Carex peckii Howe - Peck's sedge
Carex pellita Willd. - broad-leaved woolly sedge
Carex pensylvanica Lam. - Pennsylvania sedge
Carex prairea Dewey - prairie sedge
Carex projecta Mack. - necklace sedge
Carex pseudocyperus L. - false bristly sedge
Carex radiata (Wahlenb.) Small - straight-styled wood sedge
Carex retrorsa Schwein. - retrorse sedge
Carex richardsonii R.Br. - Richardson's sedge
Carex sartwellii Dewey - Sartwell's sedge
Carex scoparia var. scoparia - lance-fruited oval sedge
Carex siccata Dewey - running savanna sedge
Carex sparganioides Muhl. ex Willd. - loose-headed bracted sedge
Carex sterilis Willd. - fen star sedge
Carex stricta Lam. - uptight sedge
Carex sychnocephala J.Carey - many-headed sedge
Carex tenera Dewey - narrow-leaved oval sedge
Carex tonsa var. tonsa - smooth-fruited oak sedge
Carex trichocarpa Willd. - hairy-fruit sedge
Carex trisperma Dewey - three-seeded sedge
Carex tuckermanii Dewey - Tuckerman's sedge
Carex typhina Michx. - cat-tail sedge
Carex utriculata Boott - Northwest Territory sedge
Carex vesicaria L. - tufted lake sedge
Cyperus bipartitus Torr. - slender flat sedge
Cyperus diandrus Torr. - umbrella flat sedge
Cyperus erythrorhizos Muhl. - red-rooted sedge
Cyperus esculentus - yellow nut sedge
Cyperus houghtonii Torr. - Houghton's flat sedge
Cyperus odoratus L. - rusty flat sedge
Cyperus schweinitzii Torr. - Schweinitz's flat sedge
Cyperus squarrosus L. - bearded flat sedge
Cyperus strigosus L. - straw-colored cyperus
Cyperus X mesochorus Geise - midland sand sedge
Eleocharis compressa var. compressa - flat-stemmed spike-rush
Eleocharis elliptica Kunth - elliptic spike-rush
Eleocharis intermedia Schult. - matted spike-rush
Lipocarpha micrantha (Vahl) G.C.Tucker - small-flowered hemicarpha
Rhynchospora alba (L.) Vahl - white beak-rush
Rhynchospora capillacea Torr. - needle beak sedge
Schoenoplectus pungens (Vahl) Palla - common three-square bulrush
Scirpus sp. L. - Bulrush
Scirpus atrovirens Willd. - dark-green bulrush
Scirpus pedicellatus Fernald - stalked wool-grass
Scirpus pendulus Muhl. - rufous bulrush
Pteridium aquilinum (L.) Kuhn - eastern bracken fern
Drosera intermedia Hayne - spoon-leaf sundew
Cystopteris sp. Bernh. - Bladder Fern
Cystopteris bulbifera (L.) Bernh. - bulblet fragile fern
Cystopteris fragilis (L.) Bernh. - northern fragile fern
Cystopteris tennesseensis Shaver - Tennessee bladder fern
Cystopteris tenuis (Michx.) Desv. - upland brittle bladder fern
Cystopteris x illinoensis R.C.Moran - Illinois bladder fern
Onoclea sensibilis L. - sensitive fern
Woodsia obtusa subsp. obtusa - blunt-lobed woodsia
Shepherdia argentea (Pursh) Nutt. - silver buffalo-berry
Equisetum arvense L. - field horsetail
Equisetum fluviatile L. - water horsetail
Equisetum laevigatum A.Braun - smooth scouring rush
Equisetum palustre L. - marsh horsetail
Equisetum pratense Ehrh. - meadow horsetail
Equisetum sylvaticum L. - woodland horsetail
Equisetum variegatum subsp. variegatum - variegated scouring rush
Epigaea repens L. - trailing-arbutus
Monotropa uniflora L. - Indian-pipe
Orthilia secunda (L.) House - one-sided wintergreen
Pyrola americana Sweet - round-leaved shin-leaf
Pyrola elliptica Nutt. - wax-flower shin-leaf
Vaccinium angustifolium Aiton - low sweet blueberry
Vaccinium myrtilloides Michx. - velvet-leaf huckleberry
Euphorbia corollata L. - flowering spurge
Euphorbia cyparissias L. - graveyard spurge
Euphorbia davidii Subils - David's spurge
Euphorbia geyeri Engelm. - Geyer's spurge
Euphorbia glyptosperma Engelm. - ridge-seeded spurge
Euphorbia marginata Pursh - snow-on-the-mountain
Euphorbia nutans Lag. - nodding spurge
Euphorbia peplus L. - petty spurge
Euphorbia vermiculata Raf. - worm-seed sand-mat
Amorpha fruticosa L. - indigo-bush
Baptisia lactea (Raf.) Thieret - white wild indigo
Baptisia leucophaea Nutt. - plains wild indigo
Caragana arborescens Lam. - Siberian pea-shrub
Dalea candida Michx. ex Willd. - slender white prairie-clover
Dalea candida var. candida - white prairie-clover
Dalea purpurea - violet prairie-clover
Dalea purpurea var. purpurea - violet prairie-clover
Desmodium sp. Desv. - Tick-Trefoil
Desmodium canadense (L.) DC. - showy tick-trefoil
Desmodium illinoense A.Gray - prairie tick-trefoil
Desmodium perplexum B.G.Schub. - perplexed tick-trefoil
Gymnocladus dioicus (L.) K.Koch - Kentucky coffee-tree
Lathyrus sp. L. - Wild Pea
Lathyrus palustris L. - slender-stem pea-vine
Lathyrus sylvestris L. - perennial pea
Lathyrus tuberosus L. - tuberous vetchling
Lespedeza capitata Michx. - round-headed lespedeza
Lespedeza thunbergii (DC.) Nakai - Thunberg's lespedeza
Lotus corniculatus L. - bird's-foot trefoil
Lupinus perennis L. - wild lupine
Medicago lupulina L. - black medick
Medicago x varia Martyn - hybrid alfalfa
Melilotus albus Medik. - white sweet-clover
Melilotus officinalis (L.) Lam. - yellow sweet-clover
Securigera varia (L.) Lassen - purple crown-vetch
Tephrosia virginiana (L.) Pers. - Virginia tephrosia
Trifolium arvense L. - rabbit-foot clover
Trifolium campestre Schreb. - pinnate hop clover
Trifolium hybridum L. - alsike clover
Trifolium incarnatum L. - crimson clover
Trifolium repens L. - white clover
Vicia villosa Roth - winter vetch
Quercus alba L. - white oak
Quercus bicolor Willd. - swamp white oak
Quercus rubra L. - northern red oak
Gentiana andrewsii - prairie closed gentian
Gentiana andrewsii var. andrewsii - prairie closed gentian
Gentianopsis crinita (Froel.) Ma - greater fringed gentian
Gentianopsis virgata (Raf.) Holub - small fringed gentian
Geranium maculatum L. - wild geranium
Geranium robertianum L. - Robert's geranium
Geranium sibiricum L. - Siberian geranium
Ribes americanum Mill. - wild black currant
Ribes cynosbati L. - prickly wild gooseberry
Ribes hirtellum Michx. - swamp gooseberry
Ribes missouriense Nutt. - wild gooseberry
Ribes nigrum L. - garden black currant
Ribes oxyacanthoides L. - Canadian gooseberry
Ribes rubrum L. - garden red currant
Myriophyllum heterophyllum Michx. - various-leaved water-milfoil
Myriophyllum sibiricum Kom. - short-spike water-milfoil
Myriophyllum spicatum L. - spike water-milfoil
Myriophyllum verticillatum L. - whorled water-milfoil
Hamamelis virginiana L. - American witch-hazel
Elodea canadensis Michx. - common waterweed
Hypericum ascyron L. - great St. John's-wort
Hypericum boreale (Britton) E.P.Bicknell - northern St. John's-wort
Hypericum kalmianum L. - Kalm's St. John's-wort
Hypericum majus (A.Gray) Britton - larger Canadian St. John's-wort
Hypericum mutilum L. - weak St. John's-wort
Hypericum perforatum L. - St. John's-wort
Hypericum punctatum Lam. - spotted St. John's-wort
Triadenum fraseri (Spach) Gleason - Fraser's marsh St. John's-wort
Triadenum virginicum (L.) Raf. - Virginia marsh St. John's-wort
Hypoxis hirsuta (L.) Coville - yellow star-grass
Iris pumila L. - dwarf iris
Iris virginica - Virginia iris
Sisyrinchium sp. L. - Blue-Eyed-Grass
Sisyrinchium albidum Raf. - white blue-eyed-grass
Sisyrinchium campestre E.P.Bicknell - prairie blue-eyed-grass
Sisyrinchium strictum E.P.Bicknell - mountain blue-eyed-grass
Carya ovata - shellbark hickory
Carya ovata var. ovata - shellbark hickory
Juglans cinerea L. - white walnut
Juglans nigra L. - black walnut
Juncus bufonius L. - toad rush
Juncus canadensis J.Gay - Canadian rush
Juncus dudleyi Wiegand - Dudley's rush
Juncus interior Wiegand - interior rush
Juncus nodosus L. - knotted rush
Juncus tenuis Willd. - roadside rush
Juncus torreyi Coville - Torrey's rush
Triglochin maritima L. - seaside arrow-grass
Agastache sp. - Giant-Hyssop
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